(C) The phylum $Platyhelminthes$ consists of organisms that are acoelomate,meaning they lack a true body cavity (coelom) between the body wall and the

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(C) The phylum $Platyhelminthes$ consists of organisms that are acoelomate,meaning they lack a true body cavity (coelom) between the body wall and the digestive tract. In these organisms,the space between the body wall and the digestive tract is filled with parenchyma,which is derived from the mesoderm. Therefore,the correct statement is that the coelom is absent.

Class 11 Biology Animal Kingdom Phylum-Platyhelminthes

Easy

Which of the following statements is consistent with $Platyhelminthes$?

A
The space between the digestive tract wall and the body wall is lined by the mesoderm.
B
The mesoderm is present as scattered pouches.
C
The coelom is absent.
D
The space is lined by the endoderm.